/*
 * @Author: Songjq
 * @Date: 2021-08-04 17:11:14
 * @Desscription:
 */
import router from "./routers";
import store from "@/store";
import Config from "@/settings";
import NProgress from "nprogress"; // progress bar
import "nprogress/nprogress.css"; // progress bar style
import { getToken } from "@/utils/auth"; // getToken from cookie
import { getMenusBuild } from "@http/system/menu";
import { filterAsyncRouter } from "@/store/modules/permission";
NProgress.configure({ showSpinner: false }); // NProgress Configuration
const whiteList = ["/login", "/ssoLogin", "/register", "/forgetPassword"]; // no redirect whitelist

router.beforeEach((to, from, next) => {
  if (
    to.path.indexOf("%26") !== -1 ||
    to.path.indexOf("%3D") !== -1 ||
    to.path.indexOf("%3F") !== -1
  ) {
    const reg1 = new RegExp("%26", "g");
    const reg2 = new RegExp("%3D", "g");
    const reg3 = new RegExp("%3F", "g");
    const newPath = JSON.stringify(to)
      .replace(reg1, "&")
      .replace(reg2, "=")
      .replace(reg3, "?");
    next(JSON.parse(newPath));
  } else {
    if (to.meta.title) {
      document.title = to.meta.title + " - " + Config.title;
    }
    NProgress.start();

    if (getToken()) {
      // 已登录且要跳转的页面是登录页
      if (to.path === "/login") {
        next({ path: "/" });
        NProgress.done();
      } else {
        if (store.getters.roles.length === 0) {
          // 判断当前用户是否已拉取完user_info信息
          store
            .dispatch("GetInfo")
            .then(res => {
              // 拉取user_info
              // 动态路由，拉取菜单
              loadMenus(next, to);
            })
            .catch(err => {
              console.log(err);
              // const redirect = encodeURIComponent(to.fullPath);
              // next(`/ssoLogin?redirect=${redirect}`); // 重定向到SSO登录
            });
          // 登录时未拉取 菜单，在此处拉取
          NProgress.done();
        } else if (store.getters.loadMenus) {
          // 修改成false，防止死循环
          store.dispatch("updateLoadMenus").then(res => {});
          loadMenus(next, to);
        } else {
          next();
        }
      }
    } else {
      if (whiteList.indexOf(to.path) !== -1) {
        // 在免登录白名单，直接进入
        next();
      } else {
        next(`/login`); // 否则全部重定向到登录页
        NProgress.done();
      }
    }
  }
});

export const loadMenus = (next, to) => {
  getMenusBuild().then(res => {
    const asyncRouter = filterAsyncRouter(res.data);
    asyncRouter.push({ path: "*", redirect: "/404", hidden: true });
    store.dispatch("GenerateRoutes", asyncRouter).then(() => {
      router.addRoutes(asyncRouter); // 动态添加可访问路由表
      next({ ...to, replace: true });
    });
  });
};

router.afterEach(() => {
  NProgress.done(); // finish progress bar
});
